Seasonal Affective Disorder (SAD)

Seasonal Affective Disorder ( no-count)

In 1979, Dr. Norman Rosenthal moved from his home in federation Africa to New York. Over a short bound of time he found that the short days, compared with those in South Africa, were affecting his energy levels, and that these feelings would usually persist until spring. In 1984 at the National Institute for Mental Health, this one doctors brush with seasonally bring forth depression began the study of what is commonly called winter blues, or more clinically, Seasonal Affective Disorder (SAD).

What is it and who gets it?

Affecting approximately 5% of the US population SAD is a seasonally induced depressive disorder that manifests itself during the darker months of the year, typically between October and April, with symptoms often completely abating in brief thereafter. A person with SAD has problems responding to the seasonal changes in light. though nearly anyone can potentially be affected, the prototypical SAD patient is a woman in her 20s or 30s alive in a far northern climate experiencing feelings of apprehension and fatigue. In order to meet the clinical definition of despicable from SAD, a person must exhibit the symptoms through ii consecutive winters. (Morano, 2003)

Americans are more than twice as probable than European to return SAD.



This can be the result of several(prenominal) factors, including cultural response biases, genetic differences, seasonality and climatic variations. (Lam, 2002) Women are withal more than 4 times as apparent as men to exhibit symptoms of SAD. (Hardy, 2004) Children of SAD sufferers are also likely to suffer from SAD, as this order is believed to be genetic, and hereditary.

SAD definitely has a stronger prevalence as you move into northern climates, but studies have only shown this prevalence to be modest (Lam, 2002).

Symptoms

SAD tends to generate a hibernation-like response (Morano, 2003)...

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